高中英语外研版必修3m4reading解析讲课稿

1、高中英语外研版必修3M4reading解析 What is happening? 2. What is the cyclist wearing and why? 3.What do you think happens to traffic in this situation? Why? 4.What do you think experts advise people to do in this situation?A. Sandstorm in China appear to have increased in resent years because of climate changes

2、and because people cut down trees and dig up grass.B. Sandstorms have been a major disaster for many Asia countries for a long time.C. What the government do to prevent the desert coming near. Para1( ) 2( ) 3( ) 4( ) 5( ) 6( )D. Weather experts advise people not to go out when a sandstorm arrives in

3、 the city.E. The winds in sandstorm can sometimes be strong enough to move and dunes; When Ren Jianbo was in Inner Mongolia he experience a terrible sandstorm in desert.F. Traffic moved very slowly as the thick dust makes it difficult to see. Para 1( ) 2( ) 3( ) 4( ) 5( ) 6( )BEAFDCdisasterfor centu

4、riesto solvehas been startedprevent you from seeing the sunhe experienced a terrible sandstormbecause of desertificationcause deserts and sandstorms to increasethe drive cant seeprevent the desert coming nearer1.What do the experts advise people to do when a sandstorm arrives in the city?A. Dont go

5、out B. Dont wear masks C. Dont go to work as usual D. Dont ride bicycles2.From the last paragraph we know _.A. the government wont plant trees any more in five yearsB. the distance between the desert and the center of Beijing is only 250 kilometersC. more than 30 million trees have been planted in B

6、eijingD. the government is taking measures to prevent sandstorms(1). frightening 令人害怕的令人害怕的,令人恐怖的令人恐怖的 frightened “感到害怕的感到害怕的, 感到恐惧的感到恐惧的类似的形容词还有：类似的形容词还有：令人令人的：的：exciting, interesting, disappointing, moving, boring, delighting, tiring, worrying ,terrifying等等. 感到感到的：的：excited,Interested, disappointe

7、dmoved, bored, delightedtired, worried, terrifiedIm glad to meet you.She invited me to attend the meeting.The boy is old enough to go to school. to + 动词原形表示主动动词原形表示主动There was nothing to be done.Id like to be told whats going on.Nothing is allowed to be taken out of the reading room. to be +动词的过去分词表

8、示被动。动词的过去分词表示被动。 不定式一般式所表示的动作通常与谓语不定式一般式所表示的动作通常与谓语 所表示的动作或状态同时发生，或在它所表示的动作或状态同时发生，或在它 之后发生。之后发生。To be cycling in a sandstorm is frightening.They pretended to be working hard when their boss passed them. to be + 动词动词ing； 不定式进行式表示动作正在进行，与谓语动词不定式进行式表示动作正在进行，与谓语动词 表示的动作同时发生。表示的动作同时发生。Im the only person

9、 in my family to have been in a sandstorm. 2. He is not likely to have got my letter. to have + 动词的过去分词动词的过去分词To have been caught in a sandstorm is a terrible experience.2. The room was said to have been cleaned. to + have been + 过去分词；过去分词； 不定式完成式所表示的动作在谓语动词所不定式完成式所表示的动作在谓语动词所 表示的动作之前发生。表示的动作之前发生。An

10、swers:It is dangerous to be traveling during a sandstorm.Experts hope to learn more about the movement of thunderstorms.We were told not to leave the house.The work on the house needs to be completed (the work) by the end of the week.Most houses seem to have been destroyed by the storm.Answers:It is

11、 frightening to be working in the road in a sandstorm. I hope I reach home soon.Experts hope to learn more about the movement of sandstorms.Id like to be told about the situation before now.The work needs to be completed by the end of the week.My father was out of the city when the sandstorm came. H

12、e was very glad to have missed it.The building has to be finished by the end of the year.To see a real sandstorm was very frightening. There are still a lot to have be done about traffic. We should to recycle rubbish , not burn it. We need develop better public transport in cities. The wind is stron

13、g enough blow the sand across the Pacific Ocean. 5. Some counties are trying save the forests.tototo1. How do countries in Europe try to improve the environment?2. What does The Green Movement do?3. What else shall we do to improve the environment?_ _ _pollution environmentatmosphereAnswers: _ _ _ _

14、 _ _ _ _ _ _ atmosphere damage chemical environment melt recycle carbon dioxide the Poles garbage pollutionAnswers: E D C B AAnswers:The climateNew York and Shanghai.Because pollution is stopping the suns heat leaving the atmosphere.Carbon dioxide from cars.There is less oxygen and more carbon dioxi

15、de in the atmosphere.1. 6. Optimistic.Int:David, what do you see as the main problems with the _?D.U: Well, _, the most _ problem of all is the _. The worlds climate seems to be getting warmer.Int:Weve seen _ of that, havent we? _ summers, _ winters, that kind of thing.environmentin a nutshellurgent

16、climatea lot of evidenceHotterwarmerD.U: Yes, we have. Also, scientists have found that the ice at the Poles is beginning to _.Int:Weve heard that too. Is that really happening?D.U: Yes, Im afraid it is. Ad _ in the future, the ice may melt _. Then its possible that the sea could rise and _ like New

17、 York and Shanghai could disappear under water.meltat sometimecompletelycoastal citiesJohn: It sounds very _.D.U: I couldnt agree with you more. Its _!Int: Can you explain why the climates getting warmer?D.U: Well, Ill do my best! Its _ thats the problem. Gases from cars enter the _ and _ the suns h

18、eat from _ the atmosphere. And factories _ chemicals that do the same thing. So _, the climate is getting warmer.frighteningscarypollutionatmospherestopleavinggive outas a resultJohn: Int:From _, carbon dioxide from cars is a major problem.D.U: Youre absolutely right. Carbon dioxide is the gas that

19、does most _ to the atmosphere. But we have a problem with trees too. what I understanddamage You see, trees _ oxygen and _ carbon dioxide. So theyre very useful because they _ the carbon dioxide.Int:I know what youre going to say. Were _ _ all the trees.D.U: Yes, we cut them down because we need the

20、 land and because we use the wood for paper and _. That leaves more carbon dioxide in the atmosphere.give outtake inuse upcutting downfurnitureInt: Its a terrible _.D.U: Yes, and another problem is _ that we produce. We burn a lot of garbage, and once again, the gases pollute the atmosphere. That si

21、tuation couldnt be worse, really.situationall the garbageInt:We should _ garbage, not burn it.D.U: Of course we should.Int:Its strange, we know all this, and yet we do _ it. I cant help but feel very _.D.U: Yes, well, it is _. But governments are beginning to do something about it. I dont think its

22、too late.recyclenothing but talk aboutconcernedworryingAB and Cthe infinitive without “to” Answers:1. I was watching an interesting TV program about how to make dinners last night when electricity was out, and I couldnt _ to the bed. A. but goingB. help but to go C. help goingD. choose but go2. _ in

23、 a heavy rain, Robert fell ill and couldnt but _ for a leave. A. Caught, to askB. Catching, ask C. Catching, to askD. Caught, ask1. He does nothing but _(talk).2. The man could do nothing but _ (wait).3. We have no choice but _ (wait).4. They want nothing but _ (succeed). How did you spend your week

24、end, Joe? I didnt find anything interesting for me _ some washing instead of my mother. A. but didB. but do C. but doingD. but to dotalkwaitto waitto succeed如果主动词是如果主动词是do的任一形式的话，的任一形式的话，but 后面就省略后面就省略to（有有DO就没就没TO）BABAAAnswers:agreementsdisagreementsI couldnt agree with you more.I think youre absol

25、utely right.I disagree with you all.I am afraid I cannot agree with you.I dont think so.A: We need to plant more trees. B: _ _2. _The traffic in this city just doesnt move.3. A: People dont care enough about the environment. B: _ _4. _I cant see anything. Theres sand everywhere.I couldnt agree with

26、you more./ I think youre absolutely right.It couldnt be worse. / Its absolutely hopeless.I couldnt agree with you more. / I think youre absolutely right.It couldnt be worse. / Its absolutely hopeless. Some people must put on a mask and cycled to work in the sandstorm, what do they see and how do the

27、y feel about the sandstorm.Ren Jiabao: terrible, be caught in, nothing to be done, survive, disappearBeijing citizens : wake up to, strong winds, cover the city in a thick, brown-yellow dust, move slowlyHuang Xiaowei: cycling in a sandstorm, frightening, strong winds, difficult to breathe, make me i

28、ll, wear a maskTwo reporters: (1) Ask citizens questions about their experience and feelings. (2) Ask experts about the cause, the danger and the measures.Group One: Citizens. Experience and feelings.Group Two: Experts. Cause, danger and measures.Note: More interesting questions are welcome.What sol

29、utions will you take if you are the chairman of the Green Movement?Way IWay II.Think of ten things we need to do to improve the environment and say WHY. Write them down. Use these structures: We need to do sth We must do sth We should do sthe.g. We need to plant more trees. If you are to write the a

30、rticle describing one environmental problem, how many parts will you include in it? What will you write in each part?introductioncauses & resultspeoplesattitudemeasuresconclusionRead your writing to your partner. Check and rewrite your writing according to the following. Then share it with the w

31、hole class.Are you clear what happen(4Wand H)Do you know the writers attitude and emotion?Are there any good connecting words or phrases?Are there any good phrases or sentences?Are there any spelling mistakes?Working in group, try to make a postcard that encourages people to protect the environment.

32、Language points for Reading Sandstorms have been a major disaster for many Asian countries for centuries.major:主要的，重大的主要的，重大的minor: 次要的次要的majority: 多数，大部分多数，大部分(n.)minority: 少数民族少数民族I dont think that is a major problem.Mary plays a major role in the game.I majors in English in the University. (vi主修，

33、专攻主修，专攻)2. A mass campaign has been started to help solve it.a mass campaign :大规模的运动大规模的运动campaign: 运动运动an anti-smoking campaignan advertising campaign我们准备开展一场反对污染环境的运动。我们准备开展一场反对污染环境的运动。We are going to begin a campaign against the pollution of the environment.To have been caught in a sandstorm was

34、a terrible experience .be caught in sth. :被困在被困在中中to have been caught in a sandstorm 不定式的完成时作主语不定式的完成时作主语Yesterday they were caught in a heavy rain.He had been caught in a traffic jam.To have been bitten by a dog was not a delightful experience.4. Sandstorms in China appear to have increase in recent years -.appear to: 似乎，好象似乎，好象(一般不用进行时态）一般不用进行时态）5. Citizens wake up to an orange sky and-.wake up to :意识到，发觉意识到，发觉直到参加了工作他才意识到学习的重要性。直到参加了工作他才意识